LM1117S-5.0 LM1117S-5.0(MS) LM1117S-5.0/NOPB LM1117S-5.0/TR LM1117S-5.0V LM1117S-ADJ LM1117S-ADJ IC LM1117S-ADJ 三端稳压管(器) LM1117S-ADJ(SOT223) LM1117S-ADJ/NOPB